Finding the Fourth Proportional to 107,858.75, 161,788.50 and 32,978.61

Step by Step Solution

1. Step 1: Write the proportion equation
   107,858.75 : 161,788.50 = 32,978.61 : x
2. Step 2: Convert to fraction form
   107,858.75/161,788.50 = 32,978.61/x
3. Step 3: Cross multiply
   107,858.75x = 161,788.50 × 32,978.61
4. Step 4: Simplify right side
   107,858.75x = 5,335,559,843.99
5. Step 5: Solve for x
   x = 5,335,559,843.99/107,858.75
6. Step 6: Final answer
   x = 49,468.03